Question

Solve for z.

-10-z=10+2z+2z

Answer 1

z=-4

Explanation:

Simplify 10 + 2z + 2z to 10 + 4z

Add 10 to both sides

Simplify 10 + 4z + 10 to 4z + 20

Subtract 4z from both sides

Simplify -z - 4z − z− 4z to -5z − 5z.

Divide both sides by -5 − 5

Simplify 20 / 5 to 4